import React, { Component } from "react";
import {
    Platform,
    StyleSheet,
    Text,
    View
} from "react-native";

const instructions = Platform.select({
    ios: "Press Cmd+R to reload,\n" +
         "Cmd+D or shake for dev menu",
    android: "Double tap R on your keyboard to reload,\n" +
             "Shake or press menu button for dev menu",
});

export default class App extends Component {
    render() {
        return (
            <View style={styles.container}>
                <Text style={styles.welcome}>
                    Welcome to React Native!
                </Text>
                <Text style={styles.instructions}>
                    To get started, edit App.js
                </Text>
                <Text style={styles.instructions}>
                    {instructions}
                </Text>
            </View>
        );
    }
}

const styles = StyleSheet.create({
    container: {
        flex: 1,
        justifyContent: "center",
        alignItems: "center",
        backgroundColor: "#F5FCFF",
    },
    welcome: {
        fontSize: 20,
        textAlign: "center",
        margin: 10,
    },
    instructions: {
        textAlign: "center",
        color: "#333333",
        marginBottom: 5,
    },
});
